Integrated Circuits (ICs)

Integrated Circuits (ICs)

Integrated circuits are the building blocks of nearly every electronic product, from power adapters and industrial controllers to medical devices and automotive systems. This category covers a wide range of sub-types, including audio special purpose ICs, clock and timing devices, data acquisition converters, embedded processors and controllers, interface transceivers, linear amplifiers, logic gates, memory chips, power management PMICs, and other specialized functions. Most designs rely on a mix of these, and sourcing them often means juggling multiple manufacturers, package styles, and lifecycle statuses at once. When buyers come to us looking for ICs, the conversation usually starts with the part number and quickly moves to date codes, packaging preferences, and whether the part is still in active production. Tape-and-reel versus tray matters more than people outside the industry might expect, especially for automated assembly lines. Lead time is another big factor. A part that shows a 26-week factory lead time might be available from franchised or independent channels in a fraction of that, but the trade-off is often price and the need for tighter quality checks. Counterfeit risk is real in this market, particularly for older or allocated parts, so traceability and incoming inspection are things experienced procurement teams ask about before placing an order. We also see a lot of requests where an engineer needs a specific grade, like automotive AEC-Q100 qualified or industrial temperature range, and the commercial-grade version simply will not work for their application. Package type, pin count, and RoHS compliance round out the usual checklist. If you are working through a BOM and want to see what we have on the shelf or what we can source, take a look at current stock on icxing.com or send us your list for a quote. We will get back to you with actual availability and pricing, not a generic auto-reply.

Frequently Asked Questions

How do I know the ICs I am buying are not counterfeit?

This is one of the most common concerns, especially for obsolete or allocated parts. Reputable distributors perform visual inspection, X-ray analysis, and sometimes decapsulation or electrical testing on high-risk lots. Ask your supplier about their quality control process and whether they can provide traceability documentation back to the original manufacturer.

What is the difference between commercial, industrial, and automotive grade ICs?

The main differences are operating temperature range and qualification standards. Commercial grade typically handles 0 to 70 degrees Celsius, industrial extends to minus 40 to 85 or higher, and automotive parts meet AEC-Q100 standards with even tighter reliability requirements. Using a commercial-grade part in an industrial or automotive design can lead to field failures, so always match the grade to your application.

The factory lead time on my part is 20 weeks. Can I get it faster?

Often yes, through franchised distributors holding stock or through independent channels that specialize in hard-to-find components. The trade-off is usually a higher unit price and the need for additional incoming inspection if the source is not franchised. Send us the part number and quantity and we can check what is actually available right now.

Image Part Manufacturer Description Stock Action
FIN668CMLX Fairchild Semiconductor
FIN668CMLX
3,080
In-stock
Inquiry
FZXZ004A Fairchild Semiconductor
FZXZ004A
5,170
In-stock
Inquiry
SMC0717 Fairchild Semiconductor
SMC0717
2,770
In-stock
Inquiry
9856DC Fairchild Semiconductor
9856DC
2,480
In-stock
Inquiry
FQA7N80L Fairchild Semiconductor
POWER FIELD-EFFE...
4,430
In-stock
Inquiry
73389_Q Fairchild Semiconductor
N-CHANNEL IGNITI...
6,090
In-stock
Inquiry
HUF75339S3S_TR4935 Fairchild Semiconductor
N-CHANNEL ULTRAF...
6,370
In-stock
Inquiry
FQP16N25C-F105 Fairchild Semiconductor
FQP16N25 - POWER FI...
5,170
In-stock
Inquiry
HUF76432S3STR4908 Fairchild Semiconductor
59A, 60V, 0.019OHM, N-C...
4,980
In-stock
Inquiry
74LVTH16373MER Fairchild Semiconductor
BUS DRIVER, LVT S...
6,030
In-stock
Inquiry
HUF75939P3_F102 Fairchild Semiconductor
22A, 200V, 0.125OHM, N-C...
2,350
In-stock
Inquiry
MMBZ5231B_S00Z Fairchild Semiconductor
ZENER DIODE, 5.1V, ...
7,790
In-stock
Inquiry
S1J REEL Fairchild Semiconductor
S1J REEL
4,520
In-stock
Inquiry
FGP3440G2 Fairchild Semiconductor
INSULATED GATE B...
3,020
In-stock
Inquiry
HUF75345P3_NS2552 Fairchild Semiconductor
N-CHANNEL ULTRAF...
1,100
In-stock
Inquiry
HUF75545P3_R4932 Fairchild Semiconductor
N-CHANNEL ULTRAF...
6,480
In-stock
Inquiry
FOD817A35D Fairchild Semiconductor
TRANSISTOR OUTPU...
6,580
In-stock
Inquiry
HUF76429S3ST_Q Fairchild Semiconductor
N-CHANNEL LOGIC L...
5,600
In-stock
Inquiry
HUF75639P3_F102 Fairchild Semiconductor
N-CHANNEL ULTRAF...
2,790
In-stock
Inquiry
FSBS5CH60A Fairchild Semiconductor
AC MOTOR CONTROL...
5,580
In-stock
Inquiry